Mineralogy Database

Mertieite-II Mineral Data

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General Mertieite-II Information

Help on Chemical  Formula: Chemical Formula: Pd8(Sb,As)3
Help on Composition: Composition: Molecular Weight = 1,211.93 gm
   Antimony   29.13 %  Sb
   Arsenic     0.62 %  As
   Palladium  70.25 %  Pd
             100.00 % 
Help on Empirical Formula: Empirical Formula: Pd8Sb2.9As0.1
Help on Environment: Environment: Small grains in precious metal concentrates.
Help on IMA Status: IMA Status: Approved IMA 1973
Help on Locality: Locality: Goodnews Bay, Alaska, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for John B. Mertie (1888-1980), geologist, U.S. Geological Survey.
Help on Name Pronunciation: Name Pronunciation: Mertieite-II + Pronunciation Say MERTIEITE-II

Mertieite-II Image

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Comments: Oil immersion hotomicrograph of inclusions of mertieite-II in matrix of Pt-Fe alloy (CanMin, v 42, p 614).
Location: Kondyor PGE placer, Khabarovskiy Kray, eastern Siberia, Russia. Scale: See Image.
© Canadian Mineralogist

Mertieite-II Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:5.64452
Help on Cell Dimensions: Cell Dimensions: a = 7.601, c = 42.904, Z = 12; V = 2,146.69 Den(Calc)= 11.25
Help on Crystal System: Crystal System: Trigonal - Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.191(1), 2.281(0.9), 1.23(0.6),

Physical Properties of Mertieite-II

Help on Color: Color: Brass yellow.
Help on Density: Density: 11.29
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Metallic

Optical Properties of Mertieite-II

Help on RL Anisotrophism: RL Anisotrophism: Distinct, dark blue-gray to dark brown.
Help on RL Color: RL Color: Brassy yellow.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Mertieite-II in Air
λ R  ∑ R(λ) 
 420 nm   45.00   
 440 nm   44.40 
 460 nm   44.70 
 480 nm   45.60 
 500 nm   47.00 
 520 nm   48.70 
 540 nm   50.10 
 560 nm   51.30 
 580 nm   52.30 
 600 nm   53.20 
 620 nm   54.00 
 640 nm   54.90 
 660 nm   55.70 
 680 nm   56.50 
 700 nm   57.60 
Calculated Relative Intensity Colors of Mertieite-II in Air
   0%   30%   60%   90% 100% 120% 150% 180% 200%

Calculated Properties of Mertieite-II

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=9.64 gm/cc
note: Specific Gravity of Mertieite-II =11.3 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.15
Boson Index = 0.85
Help on Photoelectric: Photoelectric: PEMertieite-II = 271.97 barns/electron
U=PEMertieite-II x rElectron Density=2,621.59 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mertieite-II is Not Radioactive

Mertieite-II Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.16)with miscellaneous formulae
  (02.16.03)Dana Group Mertieite-II Pd8(Sb,As)3 R 3c 3m
Help on  Strunz Class: Strunz Class: 02.AC.10b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.A - Simple Sulfides, Selenides, etc
  02.AC -Alloys of metalloids with PGE
02.AC.10b Mertieite-II Pd8(Sb,As)3 R 3c 3m

Other Mertieite-II Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Mertieite-II :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Dana No: Strunz No: 02.AC.10b





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